HD 232979

Query : HD 232979

Basic data :
HD 232979 -- Eruptive Variable
Origin of the objects types :

(Ref) Object type as listed in the reference "Ref"
(acronym) Object type linked to the acronym according to the original reference
() Anterior to 2007, before we can link the objet type to a reference, or given by the CDS team in some particular cases

Other object types:
* (HD,AG,...), PM* (2013MNRAS,Ci,...), IR (IRAS,2MASS,...), ** (**,WDS), Er* (1999A&AS,[GKL99]), X (1RXS)
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
ICRS coord. (ep=J2000) :
04 37 40.9304170763 +52 53 37.012960438 (Optical) [ 0.0210 0.0156 90 ] A 2020yCat.1350....0G
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
FK4 coord. (ep=B1950 eq=1950) :
04 33 43.2350989994 +52 48 00.431322789 [ 0.0210 0.0156 90 ]
Syntax of coordinates is : "ra dec (wtype) [error ellipse] quality bibcode" :
  • ra dec : right ascension and declination (unit and frame defined according to your Output Options)
    Grey values are increasing the original precision due to the computation of frame transformations
  • (wtype) : wavelength class for the origin of the coordinates (Rad, mm, IR, Optical, UV, Xray, Gam)
  • [error ellipse] : measurement uncertainty, on (ra,dec) if the positional angle is 90 degrees, on (majaxis,minaxis) otherwise (in mas at defined epoch in the original catalogue),
    position angle (in degrees North celestial pole to East)
  • quality : flag of quality
    • E ≥ 10"
    • D : 1-10" (and some old data)
    • C : 0.1-1"
    • B : 0.01-0.1" + 2MASS, Tyc
    • A : VLBI, Hipparcos
  • bibcode : bibcode of the coordinates reference
Gal coord. (ep=J2000) :
153.2364502126269 +03.8866134293352 [ 0.0210 0.0156 90 ]
Syntax of proper motions is : "pm-ra pm-dec [error ellipse] quality bibcode"
  • pm-ra : mu-ra*cos(dec) (expressed in the ICRS system in mas/yr)
  • pm-dec : mu-dec (expressed in the ICRS system in mas/yr)
  • [error ellipse] : error major axis and minor axis (in mas), orientation angle (in deg)
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the proper motion reference
Proper motions mas/yr :
304.125 -475.146 [0.030 0.024 90] A 2020yCat.1350....0G
Syntax of radial velocity (or/and redshift) is : "value [error] (wavelength) quality bibcode"
  • value : radial velocity or/and redshift (Heliocentric frame) according to your Output Options
    (redshift may be not displayed if the data value is <0 and the database inside value is a radial velocity)
  • [error] : error of the corresponding value displayed before
  • (wavelength) : wavelength range of the measurement : Rad, mm, IR, Opt, UV, Xray, Gam or  '∼'(unknown)
  • quality : flag of quality ( A=best quality -> E=worst quality, {� } =unknown quality)
  • bibcode : bibcode of the value's origin
Radial velocity / Redshift / cz :
V(km/s) 34.24 [0.0003] / z(spectroscopic) 0.000114 [0.000000] / cz 34.24 [0.00]
   (Opt) A 2018MNRAS.475.1960F
Syntax of parallax is : 'value quality [error] bibcode'
  • value : parallax value
  • quality : flag of quality (A=best quality -> E=worst quality, {� } =unknown quality)
  • [error] : mean error
  • bibcode : bibcode of the parallax reference
Parallaxes (mas):
100.9161 [0.0266] A 2020yCat.1350....0G
Spectral type is made of 3 parts: %coding is composed of 4 parts :
  • the spectral type, which is made of a temperature class, eventually a luminosity class (roman number) and/or spectral peculiarities;
  • a quality letter: A=best quality→E=worst quality, {� } =unknown quality %
  • a quality letter: A=best quality -> E=worst quality, {� } =unknown quality
  • bibcode : bibcode of the spectral type reference
Spectral type:
M0.5V B 1989ApJS...71..245K
Syntax of fluxes (or magnitudes) is : "filter-name (System) flux-value [error] quality MultVarFlags bibcode"
  • filter-name : U, B, V, R, I, G, J, H, K, u, g, r, i, z
  • (System) : may be AB (default is Vega)
  • flux-value : value of flux or magnitude
  • [error] : error value
  • quality : flag of quality of the flux value ( A=best quality -> E=worst quality, {� } =unknown quality)
  • MultVarFlags : Mult is zero or one char (J) for joined photometry ; Var can be zero or two chars (V[0-4])
  • bibcode : bibcode of the flux reference
Fluxes (10) :
B 10.006 [0.029] D 2000A&A...355L..27H
V 8.648 [0.013] D 2000A&A...355L..27H
R 8.750 [0.04] D 2012yCat.1322....0Z
G 7.952531 [0.002782] C 2020yCat.1350....0G
J 5.866 [0.041] C 2003yCat.2246....0C
H 5.268 [0.031] C 2003yCat.2246....0C
K 5.047 [0.018] C 2003yCat.2246....0C
g 10.084 [0.27] E 2012yCat.1322....0Z
r 8.707 [0.1] D 2012yCat.1322....0Z
i 7.746 [0.06] D 2012yCat.1322....0Z
SIMBAD within arcmin
', {sourceSize:12, color:'#30a090'})); aladin.on('objectClicked', function(object) { var objName=object.data.MAIN_ID; aladin.showPopup(object.ra,object.dec,'',''+ objName+''); });" title="Show Simbad objects"> Overlay Simbad points in this preview
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within arcsec The VizieR photometry tool allows for easy visualization of photometry points extracted around the Simbad position from photometry-enabled catalogues in VizieR.
The search radius has to be specified by the user. It is currently limited to a maximum of 30 arcsec. It depends mostly on the precision or quality of the coordinates (SIMBAD and VizieR catalogs), the resolution of the images from which the sources were extracted, source extent, and source crowding.
Suggestions are: crowded field: 0.5 to 1.5 arcsec, 3 arcsec otherwise; uncertain coordinates (SIMBAD quality E or coordinates without reference): 5 to 30 arsec (risky!).
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The link on the acronym of the identifiers give access to the information for this acronym in the dictionary of nomenclature.
Identifiers (48) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

HD 232979 HIC 21553 PLX 1010 VVO 235
** CSN 6A HIP 21553 PLX 1010.00 WDS J04377+5254A
AG+52 450 IRAS 04337+5247 PM J04376+5253 WEB 4137
ASCC 244104 Karmn J04376+528 PPM 29269 WISEA J043741.24+525332.2
BD+52 857 LFT 362 1RXS J043740.6+525346 WISE J043741.26+525332.2
Ci 18 594 LHS 1688 SAO 24722 YZC 26 1893
Ci 20 298 L 1742-6 TIC 274545692 YZ 52 1893
GCRV 2695 LSPM J0437+5253 TYC 3732-542-1 [GKL99] 123
GEN# +1.00232979 LTT 11464 UBV 4415 [RHG95] 799
G 175-42 2MASS J04374092+5253372 UBV M 27782 Gaia DR3 272855565763652480
G 191-4 MCC 449 UCAC4 715-033323 Gaia DR1 272855561463141248
GJ 172 NLTT 13604 USNO-B1.0 1428-00155067 Gaia DR2 272855565762295680

References (171 between 1850 and 2023) (Total 171)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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                Reference summaries :

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Collections of Measurements


velocities : 13    distance : 2    ROT : 4    Fe_H : 11    PLX : 6    PM : 11    MK : 11   

   

Observing logs


IUE : 1   

   


External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : HD 232979

Link by name to the catalogue in VizieR :

HD 232979 AG+52 450 BD+52 857 G 175-42 G 191-4
GJ 172 HIC 21553 HIP 21553 IRAS 04337+5247 LHS 1688
LSPM J0437+5253 2MASS J04374092+5253372 NLTT 13604 PLX 1010 PPM 29269
1RXS J043740.6+525346 SAO 24722 TYC 3732-542-1 UCAC4 715-033323 USNO-B1.0 1428-00155067
WDS J04377+5254A WISEA J043741.24+525332.2 WISE J043741.26+525332.2 YZC 26 1893 [GKL99] 123
Gaia DR3 272855565763652480 Gaia DR1 272855561463141248 Gaia DR2 272855565762295680

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2022.11.26-17:31:00

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